<template>
  <div class="icons">
        <swiper :options="swiperOptions">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class='icon-img-content' :src='item.imgUrl' />
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    // data(){
    //     return{
    //         iconList:[{
    //             id: '0001',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
    //             desc:'景点门票'
    //         },{
    //             id: '0002',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
    //             desc:'一日游'
    //         },{
    //             id: '0003',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1803/4c/eac47dd8def8de02.png',
    //             desc:'北京园博园'
    //         },{
    //             id: '0004',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1803/6c/9e54a8540fee0102.png',
    //             desc:'故宫'
    //         },{
    //             id: '0005',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1803/47/c2b659e048b11602.png',
    //             desc:'中国马镇'
    //         },{
    //             id: '0006',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1803/67/9a1678221b8e0e02.png',
    //             desc:'古北水镇'
    //         },{
    //             id: '0007',
    //             imgUrl:'http://mp-piao-admincp.qunarzz.com/mp_piao_admin_mp_piao_admin/admin/20193/a40ee278d67000f2a29d2e20f6a029b3.png',
    //             desc:'香山公园'
    //         },{
    //             id: '0008',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
    //             desc:'凤凰岭'
    //         },{
    //             id: '0009',
    //             imgUrl:'http://img1.qunarzz.com/piao/fusion/1803/bd/9f7b9b2b60c1502.png',
    //             desc:'踏青赏花'
    //         }]
    //     }
    // },
    props:{
        list: Array
    },
    data(){
        return{
            swiperOptions:{
                // 轮播图不自动滚动
                autoplay: false
            }
        }
    },
    computed:{
        pages(){
            const pages = []
            this.list.forEach((item, index) =>{
                const page = Math.floor(index / 8)
                if(!pages[page]){
                    pages[page] = []
                }
                pages[page].push(item)
            });
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
   @import '~styles/varibles.styl'
   @import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height: 0
        padding-bottom: 50% //指icons区域的高度是50%，是宽度的50%
        //background :green
    .icons
        margin-top: .1rem
        .icon
            position: relative
            overflow: hidden 
            float: left 
            width: 25%
            padding-bottom: 25%
            //background: red  
        .icon-img
            position: absolute
            top: 0
            left: 0
            right: 0
            bottom: .44rem
            box-sizing: border-box
            padding: .1rem
            //background: blue
        .icon-img-content
            display: block
            margin: 0 auto
            height: 100%  
        .icon-desc
            position: absolute
            left: 0
            right: 0
            bottom: 0
            height: .44rem
            line-height .44rem
            color: $darkTextColor
            text-align: center
            ellipsis()  
</style>